Maritime Computer Emergency Response Team ADMIRAL dataset ADMIRAL dataset

Publicly disclosed information for this event

Index Number:
A shipbuilding subcontractor company is victim of a ransomware attack.
Day Month Year Country Activity Incident Type
29 August 2023 Netherlands Industry Virus/Ransomware


The victim identified a cyber security incident involving an unauthorized third party access.

Contingency plans were put into action by the victim to continue operations, and digital investigations were conducted.

Based the information provided by the company, it could not be determined that the attacking party actually exfiltrated data from the digital systems of the victim.



Claimed/Reported Threat Actor

Lockbit 3.0



Main impact



Recommendations to Industry to reduce Virus/Ransomware risks:

  • Map, understand, patch and secure your exposed assets on the Internet.
  • Implement email filtering systems to detect and block phishing emails.
  • Train your organisation, personnel regularly against these threats.
  • Install efficient Endpoint Detection and Response (EDR) tools.
  • Work with your CSIRT organization to better understand the Tactics, Techniques and Procedures used by threat actors.
  • Monitor your IT and OT systems to quickly detect potential pre-ransomware activity.
  • Implement an efficient offline backup policy.
  • Encrypt all sensitive data to avoid further data leaks.
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Disclaimer: the data are provided as is. France Cyber Maritime and the M-CERT take no responsibility for the soundness, quality, precision, nor the eventual attribution made by the referenced URLs. We give a lot of respect and support to the victims of attacks.
Files generated on Monday, 11th December 2023.
ADMIRAL is licensed under the Creative Commons CC-BY-NC license. Copyright © France Cyber Maritime 2023.